docs: def show(self, func_name, values, labels=None):
          """Prints out nice representations of the given values."""
          s = self.Stanza(self.indent)
          if func_name == '<module>' and self.in_console:
              func_name = '<console>'
          s.add([func_name + ': '])
          reprs = map(self.safe_repr, values)
          if labels:
              sep = ''
              for label, repr in zip(labels, reprs):
                  s.add([label + '=', self.CYAN, repr, self.NORMAL], sep)
                  sep = ', '
          else:
              sep = ''
              for repr in reprs:
                  s.add([self.CYAN, repr, self.NORMAL], sep)
                  sep = ', '
          self.writer.write(s.chunks)